/*
 * Copyright (C) 2016 Jared Rummler
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.xuexiang.xui_lib.component.spinner;

import ohos.agp.components.RecycleItemProvider;
import ohos.app.Context;

import java.util.ArrayList;
import java.util.List;

final class MaterialSpinnerAdapterWrapper extends MaterialSpinnerBaseAdapter {
    private final RecycleItemProvider listAdapter;

    public MaterialSpinnerAdapterWrapper(Context context, RecycleItemProvider toWrap) {
        super(context);
        listAdapter = toWrap;
    }

    @Override
    public int getCount() {
        int size = listAdapter.getCount();
        if (size == 1 || isHintEnabled()) {
            return size;
        }
        return size - 1;
    }

    @Override
    public Object getItem(int position) {
        if (isHintEnabled()) {
            return listAdapter.getItem(position);
        } else if (position >= getSelectedIndex() && listAdapter.getCount() != 1) {
            return listAdapter.getItem(position + 1);
        } else {
            return listAdapter.getItem(position);
        }
    }

    @Override
    public Object get(int position) {
        return listAdapter.getItem(position);
    }

    @Override
    public List<Object> getItems() {
        List<Object> items = new ArrayList<>();
        for (int i = 0; i < listAdapter.getCount(); i++) {
            items.add(listAdapter.getItem(i));
        }
        return items;
    }
}